CN108427046B - Integrated test system - Google Patents
Integrated test system Download PDFInfo
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- CN108427046B CN108427046B CN201810164710.6A CN201810164710A CN108427046B CN 108427046 B CN108427046 B CN 108427046B CN 201810164710 A CN201810164710 A CN 201810164710A CN 108427046 B CN108427046 B CN 108427046B
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- 239000013256 coordination polymer Substances 0.000 claims description 43
- 238000001514 detection method Methods 0.000 claims description 12
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention provides an integrated test system, which relates to the technical field of automobile test and comprises the following components: the whole vehicle charging test module is connected with a tested vehicle through a first charging gun and used for simulating a charging circuit of an alternating current charging pile and outputting an alternating current charging signal to be tested to the first charging gun; the alternating current pile charging test module is connected with the alternating current charging pile to be tested through a second charging gun, and the alternating current pile charging test module is used for simulating a charging circuit of the whole vehicle and receiving charging current input by the second charging gun connected with the alternating current charging pile to be tested. The whole vehicle charging test module is used for simulating a charging circuit of an alternating current charging pile and outputting an alternating current charging signal to be tested to the first charging gun; the alternating current pile charging test module is used for simulating a charging circuit of a whole vehicle, receiving the charging current input by the second charging gun and connected with the tested alternating current charging pile, can complete the test on the whole vehicle and the alternating current charging pile simultaneously, and saves the cost.
Description
Technical Field
The invention relates to the technical field of automobile testing, in particular to an integrated testing system.
Background
At present, the system test of the electric automobile and the hybrid electric automobile for simultaneously simulating and testing the whole automobile and the charging pile is not perfect.
Therefore, there is a need for an integrated test system that can solve the problem of disordered test point adjustment and small test range during the test process.
Disclosure of Invention
The embodiment of the invention provides an integrated test system, which is used for solving the problems that the adjustment test points are disordered and the test range is small in the test process.
To solve the above technical problem, an embodiment of the present invention provides an integrated test system, including:
the whole vehicle charging test module is connected with a tested vehicle through a first charging gun and used for simulating a charging circuit of an alternating current charging pile and outputting an alternating current charging signal to be tested to the first charging gun;
the alternating current pile charging test module is connected with the alternating current charging pile to be tested through a second charging gun, and the alternating current pile charging test module is used for simulating a charging circuit of the whole vehicle and receiving charging current input by the second charging gun connected with the alternating current charging pile to be tested.
Preferably, whole car test module that charges includes:
a first input port;
the programmable alternating current source is connected with the first input port;
a first output port matched with a current input end of the first charging gun;
and the whole vehicle charging test unit is respectively connected with the first input port and the first output port.
Preferably, the whole vehicle charging test unit includes:
a plurality of first relays K1, wherein each of the first relays K1 is connected to a connection terminal of the first input port and a connection terminal of the first output port, respectively;
the first relay driving element is respectively connected with each first relay K1 and is used for controlling the switching state of each first relay K1;
the CC signal trigger circuit is connected with the CC connecting end of the first output port;
the first CP signal trigger circuit is connected with the CP connecting end of the first output port;
the first signal detection circuit is connected with a first position point on the first CP signal trigger circuit, wherein the first position point is directly connected to the CP connecting end of the first output port through a connecting wire;
and the first control chip is respectively connected with the first relay driving element, the CC signal trigger circuit, the first CP signal trigger circuit and the first signal detection circuit.
Preferably, the CC signal triggering circuit includes:
a second relay drive element, a second relay K2, a plurality of first resistor banks, a plurality of second resistor banks, and a fifth relay K5; wherein each of the first resistor banks comprises a first resistor R1 and a third relay K3 connected in series; each second resistor bank comprises a second resistor R2 and a fourth relay K4 which are connected in series;
one end of the second relay K2 is grounded, the other end of the second relay K2 is connected with the fifth relay K5, and the connection position of the second relay K2 and the fifth relay K5 is a position point A; the fifth relay K5 is connected with each second resistor row in series, and the connection position of the fifth relay K5 and each second resistor row is a position point B; the second resistor R2 in each second resistor row is connected to the position point B, and the fourth relay K4 is connected to the CC connection terminal of the first output port; each of the first resistor banks is connected in parallel with the fifth relay K5, and the first resistor R1 is connected with the position point a, and the third relay K3 is connected with the position point B; the second relay driving element is connected to each of the third relays K3, each of the fourth relays K4 and the fifth relay K5, respectively.
Preferably, the first CP signal trigger circuit includes:
a signal generating element, a third relay driving element, and a plurality of third resistor banks; wherein each of the third resistor banks comprises a third resistor R3 and a sixth relay K6 connected in series;
the signal generating element is connected with each third resistor R3, and each sixth relay K6 is connected with the CP connection end of the first output port; the third relay driving element is connected to each of the sixth relays K6.
Preferably, the ac pile charging test module includes:
a second input port matched with the current output end of the second charging gun;
a second output port;
the alternating current electronic load is connected with the second output port;
and the charging test unit of the alternating-current charging pile is respectively connected with the second input port and the second output port.
Preferably, the ac pile charging test unit includes:
a plurality of seventh relays K7, wherein each of the seventh relays K7 connects a connection terminal of the second input port and a connection terminal of the second output port;
a fourth relay driving element connected to each of the seventh relays K7, respectively, for controlling a switching state of each of the seventh relays K7;
the second CP signal trigger circuit is connected with the CP connecting end of the second input port;
the second signal detection circuit is connected with a second position point on the second CP signal trigger circuit;
and the second control chip is respectively connected with the fourth relay driving element, the second CP signal trigger circuit and the second signal detection circuit.
Preferably, the second CP signal trigger circuit includes:
a fifth relay drive element, a plurality of fourth resistor banks, and a diode D1; wherein each of the fourth resistor banks includes an eighth relay K8 and a fourth resistor R4 connected in series;
each of the eighth relays (K8) is grounded, each of the fourth resistors (R4) is connected to the diode D1, and a second position point is a point where each of the fourth resistors R4 is connected to the diode D1; the diode D1 is connected to the CP connection of the second input port; the fifth relay driving element is connected to each of the eighth relays K8.
Preferably, the integrated test system further comprises:
an oscilloscope;
the industrial personal computer is respectively connected with the programmable alternating current source, the alternating current electronic load and the control chip;
and the multiplex switcher is respectively connected with the industrial personal computer and the oscilloscope and is respectively connected with the whole vehicle charging test unit and the alternating current pile charging test unit.
Preferably, the integrated test system further comprises:
and the programmable power supply is connected with the industrial personal computer.
Preferably, the whole vehicle charging test module and the alternating current pile charging test module are integrated on a circuit board, and the circuit board is arranged in a box body.
Compared with the prior art, the integrated test system provided by the embodiment of the invention at least comprises the following components
Has the advantages that:
the whole vehicle charging test module is used for simulating a charging circuit of the alternating current charging pile and outputting an alternating current charging signal to be tested to the first charging gun; the alternating current pile charging test module is used for simulating a charging circuit of a whole vehicle, receiving the charging current input by the second charging gun and connected with the tested alternating current charging pile, can complete the test on the whole vehicle and the alternating current charging pile simultaneously, and saves the cost.
Drawings
FIG. 1 is a circuit diagram of an integrated test system according to an embodiment of the present invention;
FIG. 2 is a circuit diagram of an integrated test system according to an embodiment of the present invention;
fig. 3 is a circuit diagram of a vehicle charging test unit according to an embodiment of the invention;
fig. 4 is a circuit diagram of an ac pole charging test unit according to an embodiment of the present invention;
FIG. 5 is a circuit diagram of a CC signal trigger circuit according to an embodiment of the present invention;
fig. 6 is a circuit diagram of a first CP signal trigger circuit according to an embodiment of the present invention;
fig. 7 is a diagram of a second CP signal trigger circuit according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
An embodiment of the present invention provides an integrated test system, please refer to fig. 1, including:
the whole vehicle charging test module is connected with a tested vehicle through a first charging gun and used for simulating a charging circuit of an alternating current charging pile and outputting an alternating current charging signal to be tested to the first charging gun;
the alternating current pile charging test module is connected with the alternating current charging pile to be tested through a second charging gun, and the alternating current pile charging test module is used for simulating a charging circuit of the whole vehicle and receiving charging current input by the second charging gun connected with the alternating current charging pile to be tested.
In the embodiment of the invention, the whole vehicle charging test module is used for simulating the charging circuit of the alternating current charging pile and outputting the alternating current charging signal to be tested to the first charging gun; the alternating current pile charging test module is used for simulating a charging circuit of a whole vehicle, receiving the charging current input by the second charging gun and connected with the tested alternating current charging pile, can complete the test on the whole vehicle and the alternating current charging pile simultaneously, and saves the cost.
In an embodiment of the present invention, referring to fig. 1 and fig. 2, the entire vehicle charging test module includes:
a first input port;
the programmable alternating current source is connected with the first input port;
a first output port matched with a current input end of the first charging gun;
and the whole vehicle charging test unit is respectively connected with the first input port and the first output port.
In an embodiment of the present invention, referring to fig. 3, the entire vehicle charging test unit includes:
a plurality of first relays K1, wherein each of the first relays K1 is connected to a connection terminal of the first input port and a connection terminal of the first output port, respectively;
the first relay driving element is respectively connected with each first relay K1 and is used for controlling the switching state of each first relay K1;
the CC signal trigger circuit is connected with the CC connecting end of the first output port;
the first CP signal trigger circuit is connected with the CP connecting end of the first output port;
the first signal detection circuit is connected with a first position point on the first CP signal trigger circuit and can detect the voltage of the first position point; wherein the first location point is directly connected to the CP connection terminal of the first output port through a connection line;
and the first control chip is respectively connected with the first relay driving element, the CC signal trigger circuit, the first CP signal trigger circuit and the first signal detection circuit.
In an embodiment of the present invention, referring to fig. 5, the CC signal triggering circuit includes:
a second relay drive element, a second relay K2, a plurality of first resistor banks, a plurality of second resistor banks, and a fifth relay K5; each first resistor bank comprises a first resistor R1 and a third relay K3 which are connected in series, and different resistors with different resistance values can be selected to be connected into a circuit by closing different relays, so that different test items are realized; each second resistor bank comprises a second resistor R2 and a fourth relay K4 which are connected in series, and different resistors with different resistance values can be switched into a circuit by closing different relays, so that different test items are realized.
One end of the second relay K2 is grounded, the other end of the second relay K2 is connected with the fifth relay K5, and the connection position of the second relay K2 and the fifth relay K5 is a position point A; the fifth relay K5 is connected with each second resistor row in series, and the connection position of the fifth relay K5 and each second resistor row is a position point B; the second resistor R2 in each second resistor row is connected to the position point B, and the fourth relay K4 is connected to the CC connection terminal of the first output port; each of the first resistor banks is connected in parallel with the fifth relay K5, and the first resistor R1 is connected with the position point a, and the third relay K3 is connected with the position point B; the second relay driving element is connected to each of the third relays K3, each of the fourth relays K4 and the fifth relay K5, respectively, and the second relay driving element can individually control each relay.
In an embodiment of the present invention, referring to fig. 6, the first CP signal trigger circuit includes:
a signal generating element, a third relay driving element, and a plurality of third resistor banks; wherein each of the third resistor banks comprises a third resistor R3 and a sixth relay K6 connected in series; the signal generating element can provide a duty ratio and a PWM (Pulse Width Modulation) signal with adjustable positive and negative 12V frequency.
The signal generating element is connected with each third resistor R3, and each sixth relay K6 is connected with the CP connection end of the first output port; the third relay driving element is connected to each of the sixth relays K6, and each relay can be controlled individually.
In an embodiment of the present invention, referring to fig. 1 and 2, the ac pile charging test module includes:
a second input port matched with the current output end of the second charging gun;
a second output port;
the alternating current electronic load is connected with the second output port;
and the charging test unit of the alternating-current charging pile is respectively connected with the second input port and the second output port.
In an embodiment of the present invention, referring to fig. 4, the ac stud charging test unit includes:
a plurality of seventh relays K7, wherein each of the seventh relays K7 connects a connection terminal of the second input port and a connection terminal of the second output port;
a fourth relay driving element connected to each of the seventh relays K7, respectively, for controlling a switching state of each of the seventh relays K7;
the second CP signal trigger circuit is connected with the CP connecting end of the second input port;
the second signal detection circuit is connected with a second position point on the second CP signal trigger circuit and can detect the voltage of the second position point;
and the second control chip is respectively connected with the fourth relay driving element, the second CP signal trigger circuit and the second signal detection circuit.
In an embodiment of the present invention, referring to fig. 7, the second CP signal trigger circuit includes:
a fifth relay drive element, a plurality of fourth resistor banks, and a diode D1; each fourth resistor bank comprises an eighth relay K8 and a fourth resistor R4 which are connected in series, and different resistors with different resistance values can be switched into a circuit by closing different relays, so that different test items are realized.
Each of the eighth relays (K8) is grounded, each of the fourth resistors (R4) is connected to the diode D1, and a second position point is a point where each of the fourth resistors R4 is connected to the diode D1; the diode D1 is connected to the CP connection of the second input port; the fifth relay driving element is connected to each of the eighth relays K8, and each of the relays can be individually controlled.
In an embodiment of the present invention, referring to fig. 1, the integrated test system further includes:
the oscilloscope can observe the voltage and current signals, the CC signals and the CP signals input or output in the alternating current pile charging test unit;
the industrial personal computer is respectively connected with the programmable alternating current source, the alternating current electronic load and the control chip;
the multiplex switcher is respectively connected with the industrial personal computer and the oscilloscope and respectively connected with the whole vehicle charging test unit and the alternating current pile charging test unit, so that the oscilloscope can collect various signals; when the whole vehicle is tested, the industrial personal computer controls the multiplex switcher to switch the signals collected by the oscilloscope to the whole vehicle charging test unit; when the alternating-current charging pile is tested, the industrial personal computer can control the multiplex switcher to switch the signals collected by the oscilloscope to the alternating-current charging pile testing unit, so that the control program is simple, the cost is saved, and the disorder of the adjustment testing point in the testing process is prevented.
In an embodiment of the present invention, referring to fig. 2, the integrated test system further includes: and the programmable power supply is connected with the industrial personal computer to select different voltage outputs so as to realize the power supply function.
In an embodiment of the present invention, referring to fig. 1 and fig. 2, the entire vehicle charging test module and the ac pile charging test module are integrated on a circuit board, and the circuit board is disposed in a box body, which is more convenient.
In summary, in the embodiment of the present invention, the entire vehicle charging test module is configured to simulate a charging circuit of an ac charging pile, and output an ac charging signal to be tested to the first charging gun; the alternating-current pile charging test module is used for simulating a charging circuit of the whole vehicle, receiving the charging current input by the second charging gun connected with the tested alternating-current charging pile, and can simultaneously complete the test of the whole vehicle and the alternating-current charging pile, so that the cost is saved; the multiplex switcher is respectively connected with the industrial personal computer and the oscilloscope and respectively connected with the whole vehicle charging test unit and the alternating current pile charging test unit, so that the acquisition of signals by the oscilloscope can be realized; when a vehicle is tested, the industrial personal computer controls the multiplex switcher to switch signals acquired by the oscilloscope to the whole vehicle charging test unit; when the alternating-current charging pile is tested, the industrial personal computer can control the multiplex switcher to switch the signals collected by the oscilloscope to the alternating-current charging pile testing unit, so that the control program is simple, the cost is saved, and the disorder of the adjustment testing point in the testing process is prevented.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. An integrated test system, comprising:
the whole vehicle charging test module is connected with a tested vehicle through a first charging gun and used for simulating a charging circuit of an alternating current charging pile and outputting an alternating current charging signal to be tested to the first charging gun;
the alternating current pile charging test module is connected with the alternating current charging pile to be tested through a second charging gun, and is used for simulating a charging circuit of the whole vehicle and receiving charging current input by the second charging gun connected with the alternating current charging pile to be tested;
wherein, whole car test module that charges includes: a whole vehicle charging test unit; whole car test module that charges still includes: a first input port; the programmable alternating current source is connected with the first input port; a first output port matched with a current input end of the first charging gun; the whole vehicle charging test unit is respectively connected with the first input port and the first output port;
the whole vehicle charging test unit comprises: a first CP signal trigger circuit, the first CP signal trigger circuit comprising:
a signal generating element, a third relay driving element, and a plurality of third resistor banks; wherein each of the third resistor banks comprises a third resistor (R3) and a sixth relay (K6) in series;
the signal generating element is connected to each of the third resistors (R3), and each of the sixth relays (K6) is connected to the CP connection terminal of the first output port; the third relay driving element is connected to each of the sixth relays (K6).
2. The integrated test system of claim 1, wherein the full vehicle charging test unit further comprises:
a plurality of first relays (K1), wherein each of the first relays (K1) connects a connection terminal of the first input port and a connection terminal of the first output port, respectively;
a first relay driving element connected to each of the first relays (K1) for controlling a switching state of each of the first relays (K1);
the CC signal trigger circuit is connected with the CC connecting end of the first output port;
the first CP signal trigger circuit is connected with the CP connecting end of the first output port;
the first signal detection circuit is connected with a first position point on the first CP signal trigger circuit, wherein the first position point is directly connected to the CP connecting end of the first output port through a connecting wire;
and the first control chip is respectively connected with the first relay driving element, the CC signal trigger circuit, the first CP signal trigger circuit and the first signal detection circuit.
3. The integrated test system of claim 2, wherein the CC signal trigger circuit comprises:
a second relay drive element, a second relay (K2), a plurality of first resistor banks, a plurality of second resistor banks, and a fifth relay (K5); wherein each said first bank of resistors comprises a first resistor (R1) and a third relay (K3) in series; each of the second resistor banks includes a second resistor (R2) and a fourth relay (K4) connected in series;
one end of the second relay (K2) is grounded, the other end of the second relay (K2) is connected with the fifth relay (K5), and the connection position of the second relay (K2) and the fifth relay (K5) is a position point A; the fifth relay (K5) is connected with each second resistor bank in series, and the connection position of the fifth relay (K5) and each second resistor bank is a position point B; the second resistor (R2) in each second resistor row is connected to the position point B, and the fourth relay (K4) is connected to the CC connection terminal of the first output port; each of the first resistor banks is connected in parallel with the fifth relay (K5), and the first resistor (R1) is connected with the position point A, and the third relay (K3) is connected with the position point B; the second relay driving element is connected to each of the third relays (K3), each of the fourth relays (K4), and a fifth relay (K5), respectively.
4. The integrated test system of claim 1, wherein the ac pole charging test module comprises:
a second input port matched with the current output end of the second charging gun;
a second output port;
the alternating current electronic load is connected with the second output port;
and the charging test unit of the alternating-current charging pile is respectively connected with the second input port and the second output port.
5. The integrated test system of claim 4, wherein the ac pole charging test unit comprises:
a plurality of seventh relays (K7), wherein each of the seventh relays (K7) connects a connection terminal of the second input port and a connection terminal of the second output port;
a fourth relay driving element connected to each of the seventh relays (K7) for controlling a switching state of each of the seventh relays (K7);
the second CP signal trigger circuit is connected with the CP connecting end of the second input port;
the second signal detection circuit is connected with a second position point on the second CP signal trigger circuit;
and the second control chip is respectively connected with the fourth relay driving element, the second CP signal trigger circuit and the second signal detection circuit.
6. The integrated test system of claim 5, wherein the second CP signal trigger circuit comprises:
a fifth relay driving element, a plurality of fourth resistor banks and a diode (D1); wherein each of the fourth resistor banks comprises an eighth relay (K8) and a fourth resistor (R4) connected in series;
each eighth relay (K8) is grounded, each fourth resistor (R4) is connected with the diode (D1), and the connection position of each fourth resistor (R4) and the diode (D1) is a second position point; the diode (D1) is connected to the CP connection of the second input port; the fifth relay driving element is connected to each of the eighth relays (K8).
7. The integrated test system of claim 5, further comprising:
an oscilloscope;
the industrial personal computer is respectively connected with the programmable alternating current source, the alternating current electronic load and the control chip;
and the multiplex switcher is respectively connected with the industrial personal computer and the oscilloscope and is respectively connected with the whole vehicle charging test unit and the alternating current pile charging test unit.
8. The integrated test system of claim 7, further comprising:
and the programmable power supply is connected with the industrial personal computer.
9. The integrated test system of claim 1, wherein the entire vehicle charging test module and the ac pile charging test module are integrated on a circuit board, and the circuit board is disposed in a case.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810164710.6A CN108427046B (en) | 2018-02-27 | 2018-02-27 | Integrated test system |
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| CN201810164710.6A CN108427046B (en) | 2018-02-27 | 2018-02-27 | Integrated test system |
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| CN108427046B true CN108427046B (en) | 2020-05-22 |
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| CN114397597A (en) * | 2021-12-31 | 2022-04-26 | 东风汽车集团股份有限公司 | Circuit, method and apparatus for charge testing |
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